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Articles 4771 - 4800 of 4816
Full-Text Articles in Food Biotechnology
Flow Field Characteristics Analysis Of Single Vortex Water Washer, Wu Yan, Jin Guangyuan, Cui Zhengwei
Flow Field Characteristics Analysis Of Single Vortex Water Washer, Wu Yan, Jin Guangyuan, Cui Zhengwei
Food and Machinery
The fluid dynamic characteristic of vortex flow washing in a fruits and vegetables washer unit with U-shaped structure was investigated by three-dimensional Computational Fluid Dynamic simulation (CFD). The single vortex flow formed by longitudinal and transverse water jet in washer unit was simulated at different flux rates of longitudinal and transverse water jet. The vortex flow dynamic characteristic in water unit and the effect of vortex flow on strengthening turbulent washing were discussed. The simulation results shows that flux rate has a dominant effect on vortex flow spacious distribution and intensity; the interaction between longitudinal and transverse water jet is …
Determination On Optimal Switching Point Of Two-Stage Feeding In Weighing Packaging Machine, Su Junming, Li Zhenliang, Li Ya, Liu Baohua
Determination On Optimal Switching Point Of Two-Stage Feeding In Weighing Packaging Machine, Su Junming, Li Zhenliang, Li Ya, Liu Baohua
Food and Machinery
Objective Researched the method to calculate the optimal two-stage feeding switch point of weighing packaging machines when it works. Methods Through analyzing the feeding and weighing process and the function of two-stage feeding, researched the effect of two-stage feeding switch point to the packaging speed and accuracy. Then found the range of values. Results The two-stage feeding switch point had an important impact on packaging speed and packaging accuracy, and a certain relationship. The packaging speed was maximized while ensuring the packaging accuracy through chosing the best switch point in the range of values. Conclusions Proposed a method to calculate …
Design Of Stacking Machine For Finished Food Boxes Based On Motion Controller, Wu Xiaoqiang, Huang Yunzhan, Zhao Yongjie
Design Of Stacking Machine For Finished Food Boxes Based On Motion Controller, Wu Xiaoqiang, Huang Yunzhan, Zhao Yongjie
Food and Machinery
A kind of finished food boxes stacking machine was designed based on "PC + motion controller". Taking PC as the upper computer and multi axis motion controller as the lower computer, communication between the upper and lower machine used standard Ethernet, HMI and multi axis motion controller communicated via the RS232/485 standard interface, and completed the stacking work via the upper and lower computer. It can realize the function of stacking, reduce the amount of labor, and improve work efficiency. And it provides a new idea for the design of the stacking machine.
Effect On Preservation Of Fresh-Cut Lettuce By Ozonated Water Combined With Modified Atmosphere Packaging, Yu Jiangtao, Xie Jing
Effect On Preservation Of Fresh-Cut Lettuce By Ozonated Water Combined With Modified Atmosphere Packaging, Yu Jiangtao, Xie Jing
Food and Machinery
Investigated, ozonated water combined with modified atmosphere packaging on preservation of fresh-cut lettuce stored at 4 ℃. Results indicated that ozonated water treatment combined with modified atmosphere packaging had prominent effect of controlling the reproduction of bacterial, the decline of water content , the degradation of chlorophyll and the activity of polyphenol oxidase (PPO), reducing its rotten, wilting, yellowing and browning rate. This method maintained high Vc content and sensory quality of fresh-cut lettuce at the same time. Also, it extended shelf-life of fresh-cut lettuce and kept its commodity value at 14th day.In addition, results also indicated that after …
Study On Effects Of Antioxidant Compounds On Stability Of Linseed Oil, Wang Jin
Study On Effects Of Antioxidant Compounds On Stability Of Linseed Oil, Wang Jin
Food and Machinery
Using the accelerated oxidation test, this study was conducted to investigate the effects of different combinations of natural antioxidants with synthetic antioxidants on the stability the shelf-life of linseed oil by examining the changes in its acid value and peroxide value. The results showed that a combination of 0.04% oleaginous rosemary, 0.018% butyl hydroxy anisd and 0.018% propyl gallate was found to have the best antioxidant activity. Comparisons of the changes in acid value of linseed oil before and after alkali refining revealed that adding 0.6 or 0.7 g of sodium hydroxide to 4g of linseed oil and allowing them …
Research On Antibacterial Effect Of Eucalyptus Extracts Combined With Oxacillin Against Mrsa, Cui Haiying, Zhang Xuejing, Zhou Hui, Zhao Chengting, Li Wei, Lin Lin
Research On Antibacterial Effect Of Eucalyptus Extracts Combined With Oxacillin Against Mrsa, Cui Haiying, Zhang Xuejing, Zhou Hui, Zhao Chengting, Li Wei, Lin Lin
Food and Machinery
Ethanol and water are used respectively to extract the active ingredients of eucalyptus leaves. Then it was researched on the inhibitory effect of the active ingredients on MRSA, and compared the inhibitory effect of the oxacillin with and without eucalyptus extracts addition. The results shows that, the ethanol extract of eucalyptus presents a minimum inhibitory concentration(MIC)from 1 g/L to 5 g/L for MRSA, and the water extract is from 2~10 g/L. With 0.2 g/L of ethanol extract of eucalyptus added, the oxacillin can reduce the MIC of the MRSA from 62.5～250 mg/L to 7.8～31.3 mg/L, and the MIC for all …
Study On Antibacterial Activity Of Phenol Hydroxyl From N-Aryl Schiff Cos Derivatives, Han Yongping, Gong Ping, Li Keyi
Study On Antibacterial Activity Of Phenol Hydroxyl From N-Aryl Schiff Cos Derivatives, Han Yongping, Gong Ping, Li Keyi
Food and Machinery
The N-aryl Chitooligosaccharides (COS) derivatives were firstly synthesized with Benzaldehyde, salicylal and 3,4-two hydroxy benzaldehyde, subsequently was quaternized to enhance its water solubility.The chemical structures of all COS derivatives were characterized by ATR-FTIR or 1H NMR. The antibacterial studies of these COS derivatives were carried out by the inhibition zone diameters methods against E.coli, S.aurueus and P.aeruginosa bacteria. The antibacterial activity results showed N-3,4-two hydroxy benzaldehyde Schiff’s base COS > N-salicylal Schiff’s base COS > N- Benzaldehyde Schiff’s base COS> COS. In comparison to the COS derivatives chemical structure, it was found that the phenol hydroxyl group from N-aryl Schiff COS …
Study On Isolation, Purification, Composition And Immulogical Characterics Of Ganoderma Lucidum Body Polysaccharides, Yang Hui, Dai Jun, Chen Shangwei, Zhu Song
Study On Isolation, Purification, Composition And Immulogical Characterics Of Ganoderma Lucidum Body Polysaccharides, Yang Hui, Dai Jun, Chen Shangwei, Zhu Song
Food and Machinery
Two water-soluble polysaccharide fractions named as GLPD2 and GLPD2were isolated and purified from the same Ganoderma Lucidum body which was collected from Jiangxi province. The GPC and SEC-LLS results indicated that GLPD1 and GLPD2 were high purity, moreover, their molecule weights could both reach above 5×106. Their primary structural features and conformational properties were characterized by infrared spectrometry and SEC-LLS. The data obtained indicated that GLPD1 and GLPD2 may both be β-glucan configuration with pyran glucan groups. What's more, conformational analysis detected by SEC-LLS showed that GLPD1 and GLPD2 had rather tight structure with high degree of branch. However, PMP-HPLC …
Study On Preparation Of Body Wall Hydrolysate Of Starfish Asterina Pectinifera And Antioxidant Activity Detection, Li Yubo, Ji Xiaolin, Liu Shan, Zha Yue, Xin Qiuyan, Qi Hang
Study On Preparation Of Body Wall Hydrolysate Of Starfish Asterina Pectinifera And Antioxidant Activity Detection, Li Yubo, Ji Xiaolin, Liu Shan, Zha Yue, Xin Qiuyan, Qi Hang
Food and Machinery
Hydrolysate was extracted from starfish Asterina pectinifera, the starfish Asterina pectiniferas were hydrolyzed with pepsin, neutrase and trypsin under their optimal conditions to obtain the hydrolysate, and the antioxidant activity of hydrolysate was detected by using electron spin resonance(ESR) spectroscopy The results indicated that the DPPH radical and hydroxyl radical scavenged ability increased with the increasing concentration of hydrolysate; at the concentration of 20 mg/mL, the clearance rate of pepsin group, neutrase group and trypsin group on DPPH radical were(5225±014)%, (6830±037)% and (4627±047)% respectively, and the rate of hydroxyl radical were(7261±017)%, (8182±079)% and (5677±028)% respectively.
Study On Antitumor Activities Of Five Kinds Of Wild Edible Mushrooms In Changbai Mountain, Li Xue, Li Pengfei, Li Xiaodong, Yu Ting, Jin Qiankun, Cui Chengbi
Study On Antitumor Activities Of Five Kinds Of Wild Edible Mushrooms In Changbai Mountain, Li Xue, Li Pengfei, Li Xiaodong, Yu Ting, Jin Qiankun, Cui Chengbi
Food and Machinery
To study the anti-tumor activities of wild edible mushrooms of the Changbai Mountain, the experiment selected Ganoderma Lucidum, Inonotus Obliquus, Phellinus, Hericium Erinaceus, Lentinula Edodes five kinds of Changbai Mountain wild edible mushrooms as materials, the experiment was divided into in vitro and in vivo study. The inhibition effect of tumor cells was tested by MTT method, and the inhibition ratio of mouse sarcoma S-180 was calculated in vivo study. The results showed that Ganoderma Lucidum has the highest inhibition ratio on the HeLa and HepG2 cell lines. Phellinus has the highest inhibition rate on MCF-7 cell line, Hericium Erinaceus …
Study On Subcritical Extraction Of Ginger Oil, Chang Dawei, Sun Jiaojiao, Liu Shuxing
Study On Subcritical Extraction Of Ginger Oil, Chang Dawei, Sun Jiaojiao, Liu Shuxing
Food and Machinery
The gingers were selected as raw material and the optimum extract conditions of essential oil of ginger were studied by using subcritical extraction technology. The essential oil of ginger from the methods of subcritical extraction and hydro-distillation were compared. The 1, 1, 1, 2-tetrafluoroethane was used as the extraction agent. The optimum conditions of subcritical extraction were as follows: the materials granularity was 60 mesh；subcritical extraction time was 1.5 hours and extraction temperature was 30～40 ℃. Under the conditions, the extraction ratio of ginger essential oil was about 3.14%. The essential oil components were analyzed by GC—MS. α-curcumene and zingiberene …
Preparation Of Flavor Compounds From Volvariella Volvacea By Microwave-Composite Enzyme Synergistic Extraction, Jie Guangchuan, Chen Hongjie, Li Bijin
Preparation Of Flavor Compounds From Volvariella Volvacea By Microwave-Composite Enzyme Synergistic Extraction, Jie Guangchuan, Chen Hongjie, Li Bijin
Food and Machinery
First, hydrolyzing the Volvariella volvacea by mlti-enzyme complex hydrolysis technology, and then using microwave technology to hydrolyze, using orthogonal design method to determine the optimum extraction process of the Volvariella volvacea with microwave-enzymatic hydrolysis technology and the extract amount of α-Amino nitrogen as observing indexes and the optimum extraction process were as followed: hydrolysis time 120 min, hydrolysis temperature 55 ℃, edible fungus hydrolase No.1 to No. 2 dosage 1∶2(m∶m), initial pH 5.5, microwave power 800 W, microwave temperature 70 ℃, microwave time 10 min. The content of α-amino nitrogen in the orthogonal experiments of microwave-assisted extraction under mlti-enzyme was …
Optimizationon Extracting Technology Of Total Flavonoids From Ginkgo Biloba Leaves By Ultrasonic-Assisted Method, Du Ruoyuan, Xie Jing, Wang Ting, Che Xu, Lan Weiqing
Optimizationon Extracting Technology Of Total Flavonoids From Ginkgo Biloba Leaves By Ultrasonic-Assisted Method, Du Ruoyuan, Xie Jing, Wang Ting, Che Xu, Lan Weiqing
Food and Machinery
Objective to optimize the technology for extracting process of total flavonoids from Ginkgo biloba leaves. Methods Based on the single factor experiments for ethanol concentration, solid-liquid ratio and extracting time, orthogonal experiment L9 (33) was designed to optimize the ethanol extracting conditions of total flavonoids by ultrasonic-assisted method. Results the optimal technology for extracting conditions of total flavonoids was as followed: with 60% ethanol concentration, 1∶50 (m∶V) solid-liquid ratio and 30 min of extracting time. Conclusion According to the results of variance analysis, ethanol concentration (P<0.01) had the greatest influence on yield of total flavonoids, followed by solid-liquid ratio (P<0.05), extracting time was the minimal influence (P>0.05). Under these conditions, the yield of total flavonoids was 8.075 …
Purification Of Polyphenols From Walnut Peel By Macroporous Resin Adsorption, Li Qiong, Chen Kai, Chen Yanqin, Li Huanrong
Purification Of Polyphenols From Walnut Peel By Macroporous Resin Adsorption, Li Qiong, Chen Kai, Chen Yanqin, Li Huanrong
Food and Machinery
A method for separation and purification of polyphenols from Walnut peel with macroporous resins. The results as follows: five kinds of macroporous resins were selected, AB-8 resin was considered as suitable material to purify and separate the Walnut peel polyphenols. The optimum conditions were concentration of feed 3.0 mg/mL at pH 4.0, and the volume of polyphenols sample 100 mL, flowing rate 2.0 mL/min, elute ethanol concentration 30%, ethanol at pH 6.0, elute volume 250 mL, elution rate 2.0 mL/min. After eluted with AB-8 resin, the polyphenols purity reach 36.36%, which is approximately 4.8 times higher than the previous7.65%.
Research On Fermentation Technology For Buckwheat Sweet Rice Wine By Tan-Fan Method, Wan Ping, Liu Hong, Tang Ling, Long Jianbing, Peng Lianxin
Research On Fermentation Technology For Buckwheat Sweet Rice Wine By Tan-Fan Method, Wan Ping, Liu Hong, Tang Ling, Long Jianbing, Peng Lianxin
Food and Machinery
With buckwheat rice and glutinous rice(1∶1) as raw material, and the optimum were determined through single factor test and orthogonal test fermentation technology for buckwheat sweet rice wine by tan-fan method as follow: the use level of jiuyao was 0.4%; the use level of the wheat starter was 5%; the add liquor alcohol content 45%vol, the use level of liquor: the raw material for 1∶1(V∶m), fermentation temperature 30 ℃, the primary fermentation time 11 d. Under the above condition, the produced buckwheat sweet rice wine, after storage had mellow taste and lubrication and special styles and it was yellow in …
Preparation Of Salted Eggs With Low Salt, Su He, Yang Ruijin, Zhao Wei, Hua Xiao, Zhang Wenbin
Preparation Of Salted Eggs With Low Salt, Su He, Yang Ruijin, Zhao Wei, Hua Xiao, Zhang Wenbin
Food and Machinery
A two stage brining method for preparing salted eggs with low salt was investigated. The moisture and salt content of the egg white and egg yolk in the process of brining were measured. The oil-off ratio of the yolk of the salted eggs was measured, and the sensory quality of the salted eggs was comprehensively evaluated.The results showed that, when the two stage briningprocess in which duck eggs were preserved with 19% salt solution firstly,then switched to a low concentration of 3.5% salt solution was applied, the salt content of the salted egg white was 3.64%, 51.21% lower than the …
Optimization Of Liquid Culture Medium For Fermenting Mycelial Flavone In Phellinus Igniarius, Xu Qian
Optimization Of Liquid Culture Medium For Fermenting Mycelial Flavone In Phellinus Igniarius, Xu Qian
Food and Machinery
Objective Phellinus igniarius is a kind of rare medicinal fungi, its flavone can be used as medicine. This research was to optimize liquid culture medium for flavone fermention.Methods Taking the mycelia flavone yield of Phellinus igniarius as index, the liquid culture medium was optimized with L9(34) orthogonal test. Results The optimal medium for high flavone yield established was A3B3C2D2: corn flour 3%+ wheat bran 7%, peptone 2%, KH2PO4 0.10%, MgSO4 0.15%, mycelia flavone yield of Phellinus igniarius was 212.35 mg/L. Conclusion Liquid culture medium …
Optimization On Two Kinds Of Extraction Process For Sterol In Sesame Oil Deodorizer Distillate, Ma Suhuan, Wang Xuede, Li Menghua
Optimization On Two Kinds Of Extraction Process For Sterol In Sesame Oil Deodorizer Distillate, Ma Suhuan, Wang Xuede, Li Menghua
Food and Machinery
Explored the sesame oil deodorization distillate of two extraction methods of phytosterols. On the basis of single factor experiment with orthogonal experiment optimization for the solvent to extract for optimum process conditions were as followed, saponification time 3.5 h, saponification temperature 80 ℃, alkaline quantity 8.5 mL/0.5 g, and thetotal sterol content is 8.42%; Supercritical method to extract the best conditions were as followed: CO2 flow 20 L/h, 3 h extraction time, extraction pressure 25 MPa, extraction temperature 50 ℃, and thesterol extraction rate is 73.25%. Compared two methods of supercritical CO2 extraction method, the superior is better than the …
Optimization On Conditions Of Protease Hydrolysis For Whey Protein, Sun Yang, Qian Fang, Zhao Lei, Liu Xiaohui, Mu Guangqing
Optimization On Conditions Of Protease Hydrolysis For Whey Protein, Sun Yang, Qian Fang, Zhao Lei, Liu Xiaohui, Mu Guangqing
Food and Machinery
With quadratic regression orthogonal rotational combination design, the conditions of whey protein enzyme hydrolysis were optimized. Established the orthogonal regression model which is about the degree of hydrolysis to three factors of temperature, time, enzyme dosage. Experiments showed under the conditions of temperature of 57 ℃, enzyme dosage of 8 214 U/g protein and hydrolysis time of 114 minutes, the degree of hydrolysis was the maximum, of 11.72%, which basically consistent with the model value.
Effect Of Different Temperature Air Drying Conditions On Quality Of Thompson Seedless Grapes, Meng Yang, Liu Fengjuan, Wang Yuhong, Zhu Chunli, Huang Wenshu, Feng Zuoshan
Effect Of Different Temperature Air Drying Conditions On Quality Of Thompson Seedless Grapes, Meng Yang, Liu Fengjuan, Wang Yuhong, Zhu Chunli, Huang Wenshu, Feng Zuoshan
Food and Machinery
The effects of different temperatures on grape quality were studied by hot air drying, taken Turpan Thompson seedless grapes as material, which was treated by dry-promoter agent, and dried by hot air drying in 30 ℃, 35 ℃, 40 ℃, 45 ℃, respectively. The results showed that: in the process of drying seedless white grapes, the contents of ascorbic acid, titratable acidity, total phenol decreased, while browning was raised. Comprehensive comparison, hot air drying in 40 ℃ can prepare raisin better quality.
Preparation Of Germinated Soybean Milk With Household Soymilk Machine, Jin Zixin, Yang Ruijin, Zhu Shengbo, Liu Xinjuan, Zhang Wenbin
Preparation Of Germinated Soybean Milk With Household Soymilk Machine, Jin Zixin, Yang Ruijin, Zhu Shengbo, Liu Xinjuan, Zhang Wenbin
Food and Machinery
The objectives of this study were to optimize pulverizing and boiling process for germinated soybean milk. Pulverizing temperature and boiling time were explored through single-factor experiments and the optimal temperature was figured out as 70 ℃ and boiling time as 4 min.With optimized process, content of γ-aminobutyric acid, total freeamino acids, essential freeamino acids in the germinated soybean based milk were 1.36 mg/100 g, 0.455 g/100 g, and 0.219 g/100 g, respectively. Compared with dry soybean milk, the above contents were 3.68, 1.34, 8.87 folds increased respectively. Despite that the trypsin inhibitor activity (TIA) was 1.27 times that of dry …
Development Andchallenge Of 3d Print In The Food Industry, Li Guangling
Development Andchallenge Of 3d Print In The Food Industry, Li Guangling
Food and Machinery
With the rapid development of 3D printing technology, its applications expand into the field of architecture, industrial design and orthopedic from the traditional mold manufacturing. The cost reduction is benefited from the development of opening hardware technology. In the food industry, 3D food printing will have a profound impact on shortage of food supply, individual needs. But there are also many challenges in material limitations, taste, safety, cost and psychological disorders which 3D food printing must face.
Research Status And Progress Of Ultra-Low Temperature Refrigeration Plant, Guo Yaojun, Xie Jing, Zhu Shixin, Wang Jinfeng, Tang Yuanrui
Research Status And Progress Of Ultra-Low Temperature Refrigeration Plant, Guo Yaojun, Xie Jing, Zhu Shixin, Wang Jinfeng, Tang Yuanrui
Food and Machinery
Ultralow temperature of －40 ℃～－80 ℃ is mainly used in the fields such as food processing, petrochemical industry, biological pharmacy and scientific experiments. The ultralow temperature refrigeration system and the research progress with refrigerant and compressor were introduced. Based on the comparison with the current research at home and abroad. the future development of ultra-low temperature refrigeration unit can be optimized from the auto-cascade refrigeration system, and the natural refrigerants as a substitute can also be concerned, further studies for the compressor inverter technology and other aspects of CO2 compressors’ performance.
Fingerprint Analysis Technology And Its Application In Food, Wu Shuai, Lei Sheng, Yang Xihong, Gao Qian, Cheng Dongwei, Zhang Ling, Zhao Wei, Zhang Tiandong, Xie Wancui
Fingerprint Analysis Technology And Its Application In Food, Wu Shuai, Lei Sheng, Yang Xihong, Gao Qian, Cheng Dongwei, Zhang Ling, Zhao Wei, Zhang Tiandong, Xie Wancui
Food and Machinery
Fingerprinting technology is a kind of technique which is based on certain quality characteristics of sample by means of the fingerprint analysis methods (such as: DNA fingerprint, metabolic fingerprint, isotope fingerprints, odor fingerprint, fingerprint spectrum, etc.) to obtain a series of characteristic data and build models to get a technique for statistics and classification. and It becomes a hot spot of food testing technology research and future development trend for the advantages of rapid, accurate, sensitive ,and so on. It is described on the principle of all kinds of fingerprinting technology and application, and development trends, especially in the food …
Research Progress Of Health Functions Of Wheat Bran, Du Zhenya, Chen Fusheng, Bu Guanhao
Research Progress Of Health Functions Of Wheat Bran, Du Zhenya, Chen Fusheng, Bu Guanhao
Food and Machinery
As one of the important dietary fiber source, wheat bran contains various active polysaccharides, phenolic compounds and others physiologically active substances, which plays an important role in human health. Mainly introduced and prospected the function of wheat bran in relieving constipation, colon cancer, diabetes and other.
Application Of Calcium In Fruit And Vegetable Industry, Yu Hongguo, Chen Fusheng, Lai Shaojuan, Zhang Lifen
Application Of Calcium In Fruit And Vegetable Industry, Yu Hongguo, Chen Fusheng, Lai Shaojuan, Zhang Lifen
Food and Machinery
As an important fruit elements of the cell wall, calcium is also an important component of the plasma membrane.It plays an important role for the growth and development of fruits and vegetables, and also involved in regulating a variety of physiological processes, improve fruit quality. In the production and processing,spraying calcium fertilizer before harvest can improve the quality of fruits and vegetables; postharvest calcium treatment can also prolong its storage period, maintain good quality, reduce the loss of fruits and vegetables after the harvest.
Progress On Aflatoxin Removing Technique, Cao Ming, Fan Mingtao
Progress On Aflatoxin Removing Technique, Cao Ming, Fan Mingtao
Food and Machinery
Aflatoxin B1 is the best toxicity and carcinogenicity in the aflatoxin, and it is listed inⅠA level carcinogens by international tumor research institutes. Recently, it becomes the hot spot on how to get a method with high efficient, safe for aflatoxin removing. Meanwhile, summarizes the technologies for aflatoxin removing by physical, chemical and biological methods in this paper, including physical adsorption, extrusion, irradiation, microwave degradation, ozone degradation, ammonia fumigation, biological adsorption, biodegradable etc.. Moreover, the development of aflatoxin B1 removing is also prospected.
The Legal Norms Of Food Safety Supervision By The Media, Li Xiaohua
The Legal Norms Of Food Safety Supervision By The Media, Li Xiaohua
Food and Machinery
The role of media supervision on food safety is enhanced increasingly. However, media reports on food safety in many cases exist problems of not objectively, not timely, flaws in processing mode and etc.. In order to solve these problems, analyze the reasons there must be generated, the causes of the corresponding problem from the perspective of legal norm, and for these reasons, pointed out that the state should be clear media food safety supervision power in legal norm exists, the establishment of legal accountability mechanism of malicious false reports, legal segregation mechanism of ethics bad media practitioners and the establishment …
Comparative Studies Of Legal Regulation Of Genetically Modified Food And Its Inspiration, Chen Yang
Comparative Studies Of Legal Regulation Of Genetically Modified Food And Its Inspiration, Chen Yang
Food and Machinery
GM food's safety is controversial since its birth. The USA and the EU gives us many experiences such as the fundamental ideas of regulation, the subject of supervision, identification system, and legislative regulation and so on. It's necessary to make a sound system of laws and regulations to guard GM food as well as a reform of supervision system of GM food. Besides, It should be optimized that the institutional settings and construct an international coordination mechanism of GM food.
Teaching Reform And Practice Of Food Nutrition Based On Constructivism, Nie Xiaohua, Sun Peilong, He Jinzhe, Meng Xianghe
Teaching Reform And Practice Of Food Nutrition Based On Constructivism, Nie Xiaohua, Sun Peilong, He Jinzhe, Meng Xianghe
Food and Machinery
Food nutrition is an important foundation course of food science and engineering. In order to improve the teaching quality, the teaching reform and practice was developed on the basis of the content, style and practice by using constructivism theory. It stimulated the students’ subjective initiative and practice competence, and. good teaching effect has been received.